发明名称 Compact integrated front projection system
摘要 The present invention provides for a compact integrated front projection display system. The system comprises a frame having first and second portions and a foldable arm having first and second ends. The second end of the arm is connected to the first portion of the frame. The arm is moveable between a storage position and a projection position. The system also includes a retractable projection screen disposed on the second portion of the frame and a projection head mounted on the first end of the moveable arm.
申请公布号 US6604829(B2) 申请公布日期 2003.08.12
申请号 US20020325584 申请日期 2002.12.19
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 RODRIGUEZ, JR. ERNESTO M.
分类号 G03B21/14;G03B21/30;G03B21/60;H04N5/74;H04N17/00;(IPC1-7):G03B21/14 主分类号 G03B21/14
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